Alert archive / Alabama / Flash Flood Warnings in 1998
Flash Flood Warning 50, NWS Birmingham, AL
NWS Birmingham, AL issued this flash flood warning at Jul 9, 1998, 2:09 PM CDT for Jefferson County, Alabama. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 9, 1998, 2:09 PM CDT (19:09 UTC)
- Expired
- Jul 9, 1998, 4:10 PM CDT
- In force
- 2 hr
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
County Jefferson County, AL
The nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 7.2 hours before the alert went out and 43 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 2394 J/kg
- Mixed-layer CIN
- -46 J/kg
- Mixed-layer LCL
- 772 m above ground
- 0-6 km bulk shear
- 2 kt
- 0-1 km storm-relative helicity
- -17 m²/s²
- 0-3 km storm-relative helicity
- -7 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KBHM 091911 FFWBHM ALC073-092110- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE BIRMINGHAM AL 209 PM CDT THU JUL 9 1998 THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A * FLASH FLOOD WARNING FOR... JEFFERSON COUNTY... IN CENTRAL ALABAMA * UNTIL 410 PM CDT * AT 205 PM CDT... NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED THUNDERSTORMS WITH VERY HEAVY RAIN MOVING SOUTHEAST 20 MPH. * HEAVY RAIN HAS FALLEN...AS MUCH AS 2 TO 3 INCHES...AND ADDITIONAL RAIN WILL FALL ACROSS MUCH OF CENTRAL JEFFERSON COUNTY. DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD! AREA RESIDENTS SHOULD MONITOR FLOOD CONDITIONS... AND BE PREPARED TO MOVE TO HIGHER GROUND... SHOULD FLOOD WATERS THREATEN. IF FLASH FLOODING IS OBSERVED... ACT QUICKLY. MOVE TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Jul 9, 9:30 AM CDT, 4 hours 39 minutes before
ALZ001>050-GAZ089-090-102-120-100225- HAZARDOUS WEATHER OUTLOOK FOR NORTH/CENTRAL AL AND WEST CENTRAL GA NATIONAL WEATHER SERVICE BIRMINGHAM AL 930 AM CDT THU JUL 9 1998 HOT AND HUMID WEATHER WILL CONTINUE OVER THE AREA AGAIN TODAY. HEAT INDICES ARE EXPECTED TO RANGE FROM 105 TO 110 OVER MUCH OF CENTRAL AND SOUTH ALABAMA...AND WEST CENTRAL GEORGIA. AN EXCESSIVE HEAT ADVISORY IN EFFECT TODAY ACROSS WEST CENTRAL GEORGIA THROUGH FRIDAY. SCATTERED SHOWERS AND THUNDERSTORMS ARE ALSO EXPECTED TODAY...AND THIS PRECIPITATION WILL BRING SOME RELIEF FROM THE HEAT. A FEW THUNDERSTORMS MAY PRODUCED SOME STRONG DOWNDRAFT WINDS THIS AFTERNOON ...BUT WIDESPREAD SEVERE WEATHER IS NOT EXPECTED...AND ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL SHOULD NOT BE NECESSARY. FOR THE HAZARDOUS WEATHER OUTLOOK FOR SOUTHWEST ALABAMA...SEE PRODUCT BHMSPSMOB. FOR SOUTHEAST ALABAMA...LOOK AT MIASPSTLH. FOR MORE WEATHER INFORMATION VISIT OUR INTERNET SITE ON THE WORLD WIDE WEB AT HTTP://WWW.ACESAG.AUBURN.EDU/DEPARTMENT/NWS/
Special weather statement, Jul 9, 9:30 AM CDT, 4 hours 39 minutes before
ALZ001>050-GAZ089-090-102-120-100225- HAZARDOUS WEATHER OUTLOOK FOR NORTH/CENTRAL AL AND WEST CENTRAL GA NATIONAL WEATHER SERVICE BIRMINGHAM AL 930 AM CDT THU JUL 9 1998 HOT AND HUMID WEATHER WILL CONTINUE OVER THE AREA AGAIN TODAY. HEAT INDICES ARE EXPECTED TO RANGE FROM 105 TO 110 OVER MUCH OF CENTRAL AND SOUTH ALABAMA...AND WEST CENTRAL GEORGIA. AN EXCESSIVE HEAT ADVISORY IN EFFECT TODAY ACROSS WEST CENTRAL GEORGIA THROUGH FRIDAY. SCATTERED SHOWERS AND THUNDERSTORMS ARE ALSO EXPECTED TODAY...AND THIS PRECIPITATION WILL BRING SOME RELIEF FROM THE HEAT. A FEW THUNDERSTORMS MAY PRODUCED SOME STRONG DOWNDRAFT WINDS THIS AFTERNOON ...BUT WIDESPREAD SEVERE WEATHER IS NOT EXPECTED...AND ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL SHOULD NOT BE NECESSARY. FOR THE HAZARDOUS WEATHER OUTLOOK FOR SOUTHWEST ALABAMA...SEE PRODUCT BHMSPSMOB. FOR SOUTHEAST ALABAMA...LOOK AT MIASPSTLH. FOR MORE WEATHER INFORMATION VISIT OUR INTERNET SITE ON THE WORLD WIDE WEB AT HTTP://WWW.ACESAG.AUBURN.EDU/DEPARTMENT/NWS/
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 9, 1:06 PM CDT | Severe Thunderstorm Warning | BMX | Walker | 64 min |
| Jul 9, 1:11 PM CDT | Severe Thunderstorm Warning | BMX | Jefferson | 64 min |
| Jul 9, 1:27 PM CDT | Severe Thunderstorm Warning | BMX | Shelby | 63 min |
| Jul 9, 1:55 PM CDT | Severe Thunderstorm Warning | BMX | Coosa | 50 min |
| Jul 9, 2:01 PM CDT | Severe Thunderstorm Warning | BMX | Tallapoosa | 34 min |
| Jul 9, 2:12 PM CDT | Severe Thunderstorm Warning | BMX | Talladega | 33 min |
| Jul 9, 3:47 PM CDT | Severe Thunderstorm Warning | BMX | Montgomery | 63 min |
| Jul 9, 3:49 PM CDT | Severe Thunderstorm Warning | BMX | Perry | 51 min |
| Jul 9, 4:32 PM CDT | Severe Thunderstorm Warning | BMX | Barbour | 48 min |
Nearby
Flash Flood Warnings in Alabama, 1998Every flash flood warning in 1998
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.